{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2661f6b70bfd2e29b7d01e205482f7b31d91fb85ab83bc493e9c8e0c9d9171f5",
    "signature": "0xe3da0b5f6d2f7c67c5e12799ada6a8a7ee7583e5ca36fdc229eed8dd81ec289a20e066e56c1887d1d4bd4469858aed4824910c750e28c04865c1de645ca842701b",
    "signer": "0x1fDe6d81964c259F3D94149cE3B9DD47b325E6ff",
    "userId": "727824063"
  }
}