{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "766293353",
    "entityType": "User",
    "nonce": "0x5e051e9219e7d08011f6d6076d9e864c8610d552a3764479537db642ab7f0845",
    "signature": "0xfa57d182d9dba9d42cbf28695e4914f49e30dc8b327795788ae7c0dbf463f2a71cf42cd7c9c07362602bcf433d5367c2ee5e3483bcc4241e099b88253001ab721c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}