{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166480",
    "entityType": "User",
    "nonce": "0xb10cfbbe073f33cc787b278c57653fa89fec2378456eab0aeab4ec741e66253e",
    "signature": "0xb976caa448a0c0468e0530ba3b5c11821b0d968b9550636f911b5dd32a7132a00f5eb2138b2444697ff95236a45048fdabc01764e16a257ef55c330a049fb0081c",
    "signer": "0x06Ad5789cE045C5B0AeB97849051a7385CA95B4a",
    "userId": "270209897"
  }
}