{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "925149974",
    "entityType": "User",
    "nonce": "0x609009487837795b95274bbffa48f799907bb5d39fcaf819118ddff386b95493",
    "signature": "0x915ab47a0980b387343d326d3b44adef0a1268d7919d64aae0b15aeb6eb3efef700a1188fe6924c65491532619a9e7355894eb2731ba5ee197f401bfb539e6511c",
    "signer": "0xac9398fE3324BB093c993C791Db4a36624f5a248",
    "userId": "223946715"
  }
}