{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "313917",
    "entityType": "User",
    "nonce": "0x89a2751c742120fa75f476d8794b43fbda4f5a65edfa48ba255a9e97f3abc370",
    "signature": "0x1746a784da0333d6c5b43c2a27da4457275697e6e63ff42a158a7564d05aa2fd3af8711f9c95895fcfb41d32e6e2de0976ec35c1a159f508918c66236daddad01c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}