{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "84941",
    "entityType": "User",
    "nonce": "0x2a8b3d51f01f277e901f8c434b6042bd3081db995914f14dca94ca45acc49362",
    "signature": "0x7cc3d7544eb5d9ed5b4f58a256c0e8710641af07140a8cd91219dc407058b29c0166b8131accb5b4154a3c8f89126055faff8f782d69d70730d7e9bd776327b41b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}