{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71456",
    "entityType": "User",
    "nonce": "0xb44ff157eaf0f91b7bad06d7dfa9fecdc5111528682fde996093a2d2e1632068",
    "signature": "0x38da98a6f64c0a66cf2f06d9f71f024892d66c8ffe4b259d24a8ab98996bb5967a9ee79fd028892967c8d38e16e8fb738406430d12c96de71a176d3f99f60d0e1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}