{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x58cdcfa3aec4ad70bec44303ae366511d086ac10ad0ab856e20b5646bc4538d1",
    "signature": "0x81e84961979f89bcb627c75bc2a40d9fa82a7f76db5bd9727d29e1707ee5ac1d05d3730a29ff1fa4acbf5e22d67abd2845f4aa086495c4fadf2df19bf0b9b7d11b",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}