{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0x2b7d6d629ae07c24dfeae08bf3db30fcad114b75d941ddb72b56bb86d01c2058",
    "signature": "0x7546250bbc631c19d050776997f37ea2c4f0c54cbf00d40dace9b36a550e981d1e299424a6ecc5d1027e129e18836427715d044ee606adf4d50776fc56c5f2511c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}