{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xe7f0770f6282e087080e2a3793292cf858b41c79bfcfdaa813152ea0acf11fbb",
    "signature": "0x953c0d11047f5fc98408faa5336f975ebd7e7cc81a1cfee709555bf70fa389547e4e466f813551b0623b91f2e0860071c8b1de8cd3bcdb9f14c58676897e36121c",
    "signer": "0x989faEfE658E0b6dF1793197b0De4137Cb1aDD3b",
    "userId": "554920508"
  }
}