{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "592205126",
    "entityType": "User",
    "nonce": "0x6351778151d3fcfc6330f8793f5c6735564a7e72376117b4c661adba2c834348",
    "signature": "0x47040fb1c714d98e087097c3b901b70097c376747991de6a2039714a5581139f3382aa757a39be8f3ce63a059480c8e3eda44a7d0b47f2b5d55bf081df56d8e91c",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}