{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "614540897",
    "entityType": "User",
    "nonce": "0x0dbbb6cc5f37b7ea572f46c1ac0f276a5c01eaa4430720cdefa6534a27b62374",
    "signature": "0xb9f8997938eb266f25b13ab09836c3f8361b410e307df797f0af6e8f6c706ca43656e7dc513a6aeaca5084d868a4b567ad878e23d6120eac3a7f27e7e8f96fc51c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}