{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0x54511d95e9db7779a0855abf8bdf59f1f8d7578cb7c3c1f1dd49c0c87f093f13",
    "signature": "0x1353b5f67759548786909e354e55544cbb081fa9932d072f7428cc57bd8b536c602de3c5a898ac44de79085c67972f69fd518f718435b8de23fa7a6b7cb6e9001c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}