{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57005",
    "entityType": "User",
    "nonce": "0x53608dd12480948f7b57ce520c4eb6e25ee364c6a82c27c833c74abeb723ced6",
    "signature": "0x4d8763385a3de1594663cd03e016f568684732b21bfea53b1017f215134dab342588b03c5bba950c415f4de5e2b011628b79363772fa09e39cdda3a11181738f1c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}