{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xb9d283decd09b3e3f5da987a66c45533259b9d9d4dd47efe3d8bcf61e5cc674c",
    "signature": "0x09662b57318e94905450cccf8d67664a4a1e891bb46b1cc8254d4a04466146ba74a7a0dc9a01bfee869abd6ee91c76ad452754ce3437131a06aa32302b084eee1c",
    "signer": "0x989faEfE658E0b6dF1793197b0De4137Cb1aDD3b",
    "userId": "554920508"
  }
}