{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65468",
    "entityType": "User",
    "nonce": "0xb30526186976748635076aa70eccd07653ad444f0613194db1ac220417aed3c2",
    "signature": "0xa774228950e84f2fd99c658b3eb8c275719d60b3e23dd72c75434673bf469e6e73f390ad6ca1513f291c74a0430447a928c45ff7fface25290e7e4c227159e251c",
    "signer": "0xC2A9E3b7F06e60ef97DFB73522582B613021cf7A",
    "userId": "265825696"
  }
}