{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1087",
    "entityType": "User",
    "nonce": "0xb70d9657bee2a88e5d60bfcaa5b24fb71726b3aaf0680998d5f08b753a688a65",
    "signature": "0x1d97fa80e4451a3927e9b0be6a6f451ed26c24e31eb6cb71c4d97e1cb5bb9bd232344814f64f4bfe9162d1a25496504e017025320b74e94538326b56fafda29e1b",
    "signer": "0x48ECe992edB7C739B36f37DDbE8Fe352996B5A56",
    "userId": "183063753"
  }
}