{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "81894",
    "entityType": "User",
    "nonce": "0xeea45529240dc306f647cc5e45d48040b60b64380fe8d2968fe17bcbb1c0bd78",
    "signature": "0x104b9cdd47170f145d77903af931418424864e051309b96b9ee36069bd279f23390a14173f3f03c3c24cedefb02d991c2c0c47355b0b610e6087710ae9a872151b",
    "signer": "0x2B2E9550F4B942405D45c3F93C3D91Bc20DdfC5e",
    "userId": "644941151"
  }
}