{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "908879704",
    "entityType": "User",
    "nonce": "0xf0fdbabb9a3aee5655d3275c253586e015fefd7a765082ececf92b7b34f58045",
    "signature": "0xf3c3c8223c715130668ab2ba08867520d565877d4e2d592a1f8baeb5e9edfc68703851689b1cfa0cbcaffce0d57b52e3d34d8ba8f30900888697d1f549b5c1e21b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}