{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "458118601",
    "entityType": "User",
    "nonce": "0xd2fbfcbc1081ae8e75cf0df58fbba04ae99b75f3253cf685776a925dbcc609ee",
    "signature": "0x432ad56a1ecbfcadafa852f6443efb031a29eddc139f9727589f7b28c0cf58091eed113b14c4ec744646f1ef068b0e77ee2a829232c530d6e2c5575ac58dc3951b",
    "signer": "0x9b1a9d02F213F5C768F11FC832194b5cB665E056",
    "userId": "418702748"
  }
}