{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129845",
    "entityType": "User",
    "nonce": "0x12f542ce3f728b8267d011efe1f0f2930b7b6d7c417d9b36e0e2ed02117050e5",
    "signature": "0x78d1197509386d8262f408ae5832a4a270311ca1bd6df6b3ae6d2b74bf0bdb7e2c0872917dcd920ae2c80cd0a0f29ba9da404c484838a55c341c5da39da130751c",
    "signer": "0x102a924C1c076Dcb5816d20E32Dcb6F00e75F2C9",
    "userId": "485987672"
  }
}