{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd3eb31494f534f86b5992d7576123410dcff375e762d2300e990be799ad6fdc6",
    "signature": "0x5efc6961190cf6eda85feb88b2e3fe3f24545e32380ca59bf8faf374b04eea8d3a54cdd8cdd4fe21a0bf756712831df2e6f3344e8199ce8c439f073b7595089c1b",
    "signer": "0x0a47E94Cf10d61264d84627FA2c203F5C71Bc43e",
    "userId": "639528689"
  }
}