{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7505",
    "entityType": "User",
    "nonce": "0x280c568251abccba3b23c2da6a4249804f76d4837284250f8016470bdf002422",
    "signature": "0x6ed1e745e62027a61468e0b58d4949478b985b4cc1d71e5cab6886d75349c5a004021dbf4cf6d070f84dd7a268d920b10afbab513f2bcb84b7570b269a06f4831c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}