{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "297007",
    "entityType": "User",
    "nonce": "0x414599c6cbaca32789b50f702f9c715e52c1df92a319b1fd6ac5d7343ec313cc",
    "signature": "0xa2c9e3f3a28ebb5eef3a543ef64df1994eb5498f6add824c02a6826cf169751e3df618bc25311464e089faf16cf0313047bc2c861dbbcc4c0d5e09fac6c309041c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}