{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "992110842",
    "entityType": "User",
    "nonce": "0x8588705d39a7e2a23937e5c596eb55a5f28a20899e8c0a3aa98e9c5d30e68807",
    "signature": "0xae0ce19c02679e5315b6303edefc51070d97f5c30684eb350bb41c3906b49430608ac32f4ce97b2b857074364cf4ce567d9b2cac13b215762b163fc2bbd5a6721c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}