{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "217773",
    "entityType": "User",
    "nonce": "0x28f0b22d331d3fc27b2cd9da112538e5e0eda74021102910181569ebda297f57",
    "signature": "0xc227186c070f9df84448b8b43d474146d283c9c08244f29510b0357bcbd5ce0964a356537a5b988c1a31e23eda56a8e0f7c033e72a9bd06e52f35b95eae93f851c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}