{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "892753459",
    "entityType": "User",
    "nonce": "0x3d61f51f9ea4c3d64c05bef3fd0c540cc4020e003f61584be958f26415867b3d",
    "signature": "0x58dbe43a7cbbf331f79ac619f2636eb1cf1dc015fce6f669d463d7af4b44cf0703d717a101778522ceae59aaa13c772be2c42d0ac8445e96923963ef635830e81c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}