{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "467213409",
    "entityType": "User",
    "nonce": "0xb99253220f9d8c9d02da1fae84aec402aea6c831374446a48ab912c011ecbb7c",
    "signature": "0x609f5b51ed965686ce205a0e2569db99444fb58f622e95dd6b9438207b558b2c705f501ff67b44fe5d88b14a29235101a294adaaf10d180b5b668f49f5cd67671c",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}