{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67658",
    "entityType": "User",
    "nonce": "0x091b7a8c952495b0854abae835bf2801ab5ae85935ad15471624bb1b77b87340",
    "signature": "0xfe8cf86137a7897211e39c0376174bce0e8d672c507957fe92fd7b0bb65db3704221744ad2f9e17c4b6824a4c1c1c65b5c44954f25634b0260372d94b1a79abc1b",
    "signer": "0x7a75a4f6Db403e120768B73C5e7dA9BD6eF0306E",
    "userId": "547641018"
  }
}