{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "696716320",
    "entityType": "User",
    "nonce": "0x3bf1a6b3e7f330baa34b6d5f0b1896e80176eb86f9c62631d3b142027b728483",
    "signature": "0x50342b9fc04f6683417ca668f2a24e07ed7fb57d8bc665715d7a07d8f068c0263172510ec8841d01057c25674491f2bfb21252f1491adf0d1a0b51cac58c50301c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}