{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62374",
    "entityType": "User",
    "nonce": "0x031bd5648c9c69b1eb7a66bdcb33db5404f698b00a51bdd3c29647cadeb07684",
    "signature": "0xfa72831f90915d88fe8f58a05b8c8f8ac1bd5c41d5606d8bcb2cab453d04b5e02467487bfd2e3eee8a00a6a6bfa515cd31cbca3bacbabe3f2c80a7693ed6dd131c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}