{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "225003562",
    "entityType": "User",
    "nonce": "0xe00ccac6bd19597221c0c3acab2a60c8cd4910d5dd8b00e7b267633e774a490e",
    "signature": "0x9e2d2187342ecf33c9880870008061d77f0493be1cbab23a1d85ad86a50b8c582b8127a998269fdc10934545d0ec366f2cb77810f320dc196316c2491e158e941b",
    "signer": "0x4C0e8973cC8C5BB66d6627C8D489e336f0825A94",
    "userId": "939865626"
  }
}