{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5a022c06f67acbf90fce34bb80f3e4a134eced37e367f99e2607f3f67c754221",
    "signature": "0xea94f465a41e409d55cb18070668ee88871842201d37394a9c4b645fa43b69455d83713008500b70ef407532ec91ea1352335476a019df57e5d0e964a920301e1c",
    "signer": "0x46e7101c875D60D850099f5251d848716a5CfB80",
    "userId": "87961106"
  }
}