{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xe61e681ba328f5fa60d0a1564a2574d2c7f43f9456da8df28bb5f72f440700b8",
    "signature": "0xf7785442fc3826df4239dc2b6e55092db228cf115842673ffd9f3802a7e932e43c83ec43f66686bc67fd99bece84af60c04bdb5dd69fefdd767a085c5ba36e611c",
    "signer": "0x989faEfE658E0b6dF1793197b0De4137Cb1aDD3b",
    "userId": "554920508"
  }
}