{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xccf44d2944177f35bce80e38b4f896241054e921c2c87b36058a8c226be89261",
    "signature": "0x0cb47cc99cf853723af227fdbaabd78485c35ce9d3b47e79d81d54eae815ef9931fb042d6a44cdbccbea368cd28f22edee1be70f249421ca306b11d6b2a20b4a1c",
    "signer": "0xD0D3dCE8d6986FD661bA61e5C6e9A7098eC48A1D",
    "userId": "717930808"
  }
}