{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "580720856",
    "entityType": "User",
    "nonce": "0x4cf60c1f713f275d32227ac07c2779d9c81e2d8d1f55084f092da2b76e20f65b",
    "signature": "0x6f8398b709fced81759e6c8b40a51893c5fb34526481c23358e054c9e73e693853a9ddbc89345281dc075e141e9a6b25eacb4165b609addc3cdbb8f4254c85c01c",
    "signer": "0xa22176a11BF6703EFe39D488aA7cC06aa781C44A",
    "userId": "633924738"
  }
}