{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0xe522d22014a988b31de1c3bcbb6426b9d3de3a9e108e142c639bdd30ed07763b",
    "signature": "0x15f0625cb3c2972959b942b68e916e7731088bf8071fa9db8046439712e7dd4a07332b8b273805dff8361f312aecb6cb59beca62433780b546e7b49e70f5257a1b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}