{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56270",
    "entityType": "User",
    "nonce": "0x52040c44d8e25d1da0a5348fe74a3e616fd28b0f7a3ee4f538b25b607f639a18",
    "signature": "0x0aab611861a45131351cbdc4a4af8702318e42b8418d5725bae0505c921dab3b2892cc009aa09d05e2be45f49ea6d7bded5a78d2973627fee83615c4ac6ed0c21b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}