{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7469",
    "entityType": "User",
    "nonce": "0x27ca2f3ae3c32e517450aa1a443428b898e88713b5928b1b88db5398fe02609f",
    "signature": "0x83a94cd722633b7e1f2bbc66ce3bb07aa0036321fe88131e03877d04d5f75ca00e066a664481d112bfd098551486eb08829ae2f58a0f2056025b164af6f233a61b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}