{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66113",
    "entityType": "User",
    "nonce": "0x84b43a82ef3bcb76ea430a3c0620ddf8c3e5c189a2af038b985400798639583c",
    "signature": "0x8e11e5e350c888a3b7127a80c7abe8c84d9ab4225669888e40e1f4990e11212c20c2e9b0918e8ea99a1355f5894cd5762b85692f2c5392c250791643930034e91c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}