{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956567980",
    "entityType": "User",
    "nonce": "0xf7c4d8a475cda809718f9fb9f66a9379f46b154a46636ae47ffde1aff546c217",
    "signature": "0xadaacb316ab41c415452503dffa022f90995cce9ed470466a63ec035d90946dc3b12109a57521d44f77b7ed4ddd71b9f08b318cbde171584737c76f95ff753491b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}