{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38358",
    "entityType": "User",
    "nonce": "0xfb7686cde42f3f0a4c49cf1559991a33b15de7a7a4fd95dfee5293bb0f5f0cfe",
    "signature": "0xaa3d166769cb9aaa04b3fb2cdf5440604234859849f8a685e93974b52d5ebcc4751cb1116831f575164ef419876f31a3c4a993876762f1de1e44eb46f9d6eb691b",
    "signer": "0xD7Db519a2A03374B0548c02822bE88402aef1E5b",
    "userId": "715241773"
  }
}