{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0xa9a65e5a0c9ab495f3e470a7bf131b7fbef0f3d0029b861d362c4040b8688086",
    "signature": "0x8363a4d25f329c21c3f8677981416dd607b43dc9d912cadf42cae91133e1e65a5d69b693cfd1c5fe2913e371f6595002f8cf114aff5a3135a1fc4154bce48dcc1c",
    "signer": "0x88ad765B72fb060B3adbae1FA44A6C64722E1781",
    "userId": "236177"
  }
}