{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125858",
    "entityType": "User",
    "nonce": "0x02d0bba8f6ad157771fe36889424b1e3b1dca347d80b43d6e9e361b5c531874c",
    "signature": "0xc9b62b2bda09ca0d7d8637cb6e100151a82368de45d58a79c1f91381d6310cdd787d6493020d57099bda07977eb8a8ff6b8c28367a579f0c986bfff5ae735b101b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}