{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89091852",
    "entityType": "User",
    "nonce": "0xcaa9fa28592e5de09fb1d4843284b2031f876f95527b0bc8ce637e88405f02f7",
    "signature": "0x13110e0c96f38091ea2a70889205cfac461400ae37ca07b84d91a6e17eb4739e60fd58025a6ef8c4056441b5d2fdb6079d6218fff7e74f1de0d5f8fd5bba1a211c",
    "signer": "0xd9bA17330fFb3Ea1356C5eC14971D9e1f2cb5200",
    "userId": "337125448"
  }
}