{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1387989231",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3e869e4ececf40285e5458ddcb3384c73c1c3fdbf8dc30a7914dd4b3e98fb55b",
    "signature": "0xe4d092a34ba7f3f33c5269b2823bd316b4d0e386417c3b5122b79525a62ec60d6cb0505a85915745f5bfacd4157720326f83bb46e86582cb765bf1cd60f73d591b",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}