{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0x550de6b039988b46ce9950196cae1673b3d67a3cf0aaab303c41bf4ab8c915ad",
    "signature": "0x352af467e438c8317dbc84026fd5cd31e6580d77099a75037f6a06388f838aea71aacdcbc0b709f9a12cd987bd43cb1dc69518862cd7a228c5883db40d41fd0e1b",
    "signer": "0xa228dA0794005c958cFc691a6808417E21E60Aea",
    "userId": "151623966"
  }
}