{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0xdb4b7167a363e57ee859ec9de55c877c807fa8c6d8a2981d8c466bf93b652f6e",
    "signature": "0x7826f2a0abb659db75307a06c57a07cad139201e3d8c5502fd430bf5472f81e9344c37507edf477308f84fb81a97010a8078c38fdc80ac99c2635f9c290905c51b",
    "signer": "0x42cB1e20D724BD902Af64cd85c700BE6118500bD",
    "userId": "47154652"
  }
}