{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "347281",
    "entityType": "User",
    "nonce": "0xd5b5425a0bb8fc30e775ba0c7d755eb259d12be7c28dc673b5a44e44d1890a28",
    "signature": "0x870d5d26171fc75a3c67ca27568ef822cb5bdca29a1070e01cfa93654cb21fad03ab2954b8356357aeeddcd3320e2c74abb504f149e4bbd718d1744f9131c0a11b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}