{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x87d2ffbf31226a129b3c610be99caa07ee4a3bef6f838e2233a64ba1a89f5e32",
    "signature": "0x2ee5c9f0a6e4492199b4cc9758f94b9982c63877c42c747b4c9dc15b96517e2e568dbcfbde22bad38610a6c3452e835b41acd63698eed252bf3d66b2956c072b1c",
    "signer": "0x8838cB510ADd37b71093e4FD76B81bdd280860f8",
    "userId": "674339889"
  }
}