{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xbfeff3ee4ecda4f686074a6c95c43860dc065bfd360a6b49427a35336223d8f8",
    "signature": "0xffd5f6bf81fe92ff613d94c0990cf24322c5a8e93bf11c75fa42bad4875b4b2212b0512ac3fc0fb184ea90113d7047b5d3c40b93c5e3aa0de77bf6b503daf53d1b",
    "signer": "0xf0FB6Ee8Ad56eA2e147d118ecaa4eB46cf03b448",
    "userId": "831640099"
  }
}