{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33388",
    "entityType": "User",
    "nonce": "0x60435ebbac4eea857dd5a63692f06e0a2e417965059ebed36b6d263df259b42f",
    "signature": "0x042d3dfc94d1d5251d343ab0e080b8125a7ad32c30743427b24f8397881d987363e81b78f0d03a82d06da940ad45bc814a5691cd98f55c8b06cf407a58f63da71b",
    "signer": "0xd9bA17330fFb3Ea1356C5eC14971D9e1f2cb5200",
    "userId": "337125448"
  }
}