{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "153301",
    "entityType": "User",
    "nonce": "0x8ad29c0a129a2fe0e66308cc408b4a2022b24396cc798ab126d660f816c8248c",
    "signature": "0xee164bcb973aa7509707080486cf888a84f41271d2d8bdfb77fb43016d2f0fdd128982e2b98e481bcf104dbf4d2d513648502b0788d1315e8dddc47a61547bbf1c",
    "signer": "0xa0C10F709D3c5b2b5FecDEA05B821Ac58bF0c782",
    "userId": "641492277"
  }
}