{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xd089010fd099e869591ac88255a0037bb71cfbf7f141ac3a8132b29436d3b903",
    "signature": "0xe4cc6ac8e3cd9e7bfe7b18ae957eb8c44244d09dfad72f905e9ccbe267a9e68e232df9f4e41b4db6ce5c7a5874d7eadc461467c0c8c6d24a1155c336c3f202d51c",
    "signer": "0xdbb5FeAE65617ed3C8616A66B1152898647cb83F",
    "userId": "936213876"
  }
}