{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "150892101",
    "entityType": "User",
    "nonce": "0x0651397a5124d384af201e7fe344f842605ca3ab50171ca702a075481e2472bf",
    "signature": "0x6a8063e9703b2c5f57914d81444467b4ed492d16b1482d6ed582422e28a4fac846e62c932b5470a389188767d3733876f6a77784fb54accf38928f3ff393d5f01c",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}