{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "833353049",
    "entityType": "User",
    "nonce": "0x84f9f1438fe98fc4a5bfdd9e50898666259bedd9ecc3a2fad0117d1c502e9725",
    "signature": "0xb4a777c852a4c201909e8adcea95fcfa1b1f0455edd0a8b7e973f05f58873b3f2c71641021e118763e543489ee50b04d44a707420d60c3fc3ed5d70d6f67c62c1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}