{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x54fa2b81514725afb5a0f75f999b5a0b0892fc1665b05a76e6fc55ece0174075",
    "signature": "0x9657805f1e2a87ca652ecb238d6f27809e53d8ee9debb9f5d1aa2ba963d085bb065299da527a9408459ab962ee0db92af576a728c51b838b8a6acd54367efcc51b",
    "signer": "0x2f6B07A1713a71C2E95288d062dD02C213dBC090",
    "userId": "52033077"
  }
}