{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3848",
    "entityType": "User",
    "nonce": "0xe72345ef04f472c08b9908f41cfce77535ebf2325598d16539eecdab925a41b5",
    "signature": "0x096150c9b1720e0a7d9b78d5830ebe5d12de40aa6b702acf9c7eb10422a0ab385afec2e8a67a21054087eeee8307ed219c042e344c626144d47f2e2228023f411c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}