{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x166f2f4dc384c38e403f31349cd5bfbca3a2b4bbaa741cecc575bf1dac9efe6b",
    "signature": "0xa1b7e61aade2294ff9c7eefaaf8ed33b1e514c6e9016ef5b6bfbf600805068ea64a42c08c54749ca7d91fd43c35ba75c81b1cf38419436c1674cde425777917a1b",
    "signer": "0x0285a1325511eE20758d11C287Fe880f6795bA97",
    "userId": "966079368"
  }
}