{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "348435",
    "entityType": "User",
    "nonce": "0x058694822643413b60ba2c70a5c6491d1d4388a38dcd8adb74dba0fb7441219b",
    "signature": "0x361b9c8da1756805950b89b45a6ef2e609d5142a753bec9edbfb9cd201b3a895373746c80f2447de68f9d293592a3de7cb2521e09965d8748d56ddd6600251d81b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}