{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0xb633ace18f594ff2af82232a82af7f9ff3752a1f1ed94f8a1a2b740f6cb29593",
    "signature": "0xed187f9a1857f8fa7cbc3238bb7f44df722bcf3c75399560e401a71f24202b9c0ed01844a65e75f7d64aa7b4e37f2ed710332226f97c6b5ac76e264d28d9a4821c",
    "signer": "0x12302E88Cf971407d5bdd167b1AA2664556D3385",
    "userId": "68176371"
  }
}