{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "279",
    "entityType": "User",
    "nonce": "0x0df81251a566b30ac912ae961b1405d9c517e62c8f7a9973163258b39d7033a4",
    "signature": "0x332d172025165c1e502134e556d9ce9612c8ab5e67dad6a251c9900eefe050192d98ef000dbcb05532521fa9ce85db5a8ded5cf68dfaf4f2858a0b60a1d70e051c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}