{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240171275",
    "entityType": "User",
    "nonce": "0xdff53107a8c7efffc340fdf2b0e352ebf7220ed136ee823871eaab95eadc2550",
    "signature": "0x4d86a15f39aa72dde82ef96af506cb376edbf6830ddc7b220d62f8cdcfd917e90408db0f8d3fca090217218612bdcf739e7df42926b06b68cfae939991995bfd1c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}