{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "619007128",
    "entityType": "User",
    "nonce": "0x8ed974a5f848137aefee70c9ccc695592d0b7cef94dfe2e7dc39636b11590ac6",
    "signature": "0x167784309f42c4fd07e8ae218743123b2a971d5399541575b46ab3351d8b7ca10cc19af965025049c7d23dc86dafaf8b80751229c78c41e069b42a3baf717d5b1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}