{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "163036",
    "entityType": "User",
    "nonce": "0xc78c1f5396e3966de2c8e9d2c190ed51a9bd7a863306270435c2af0e663116f6",
    "signature": "0x8f14e64e02e533728f77f99486edc2055d1a830305b1288be816c40510b2c55f1bf16b3d1e8de4b4138b1ceedb0efa032fd5d69954b80dd086a5572e5c7a2f191b",
    "signer": "0xa0C10F709D3c5b2b5FecDEA05B821Ac58bF0c782",
    "userId": "641492277"
  }
}