{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1713713",
    "entityType": "User",
    "nonce": "0xd3a2fe2773ea64aaf6f36ed6c32de534278a2bd7011ce5255514fe8d37948f58",
    "signature": "0xc7f2f9922141fa12413564c8be6e943520b08623695555563b9cd3e28593623e2e910320361cacb4220e6d29610d59dfd9b7ea3d5b143b24c56d8db10551d3591b",
    "signer": "0xe23f94433EED8958AAF9868141BA976B8fffb969",
    "userId": "307915745"
  }
}