{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25841",
    "entityType": "User",
    "nonce": "0xefc8f2a76840f25d5a4a9e34917213ac21f33605bdb57244f4ec42cf92d24cb7",
    "signature": "0x18abe3ede5d798937d62b8284ca94a75754e34002606680b9772e45d9e2dcd2f387203cca792392d8be614dd05615e4947b7a572265ae51bdba5eca0784681341b",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}