{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "214436",
    "entityType": "User",
    "nonce": "0xc7dbfbe9eee8c9c21edb2a9045b28fd7a1260f92817117f1abdc63b37ab3f9eb",
    "signature": "0x910cbad9244ae9ee33f7d02b9623329300eb15ab8900deefac208bc535bdc1ea11ad2cc6e6b8c6adcb2922ba671bf19cec4b5d5b1aefae62d3645db80a3b61771c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}