{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xa2d7838eb6a9d07612e35168d1ad2dd07663493f4c002a783284cbcc221c15d2",
    "signature": "0xdd0c2900f9b6fe131f0bb5aaf04dafdeab08658298d29f4f1f5f74c49c798d7c41d2c3ca09a22919b8f348f488301d9ef59d60c7d40f432c2345a0b6b695f2b41c",
    "signer": "0x2a438681b9bFB9BD3977e4FE61c8F157884af4AE",
    "userId": "362429546"
  }
}