{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67912",
    "entityType": "User",
    "nonce": "0xefac2bfdbab6cd3946490fe67c2a03d2e7c21ca952be1266ee513711432ff21d",
    "signature": "0x0d22e443dd1306bc934807722c78063a6f04ea43defa0b4c41d606c3ddb9378a755d25aa784217f4b608881f528feba33767193a6d68434b8e8507cbf4b612491c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}