{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x6ce9a2a725fa66ff3495d5cda272eb246dbed9456084e00461ef83e179de1d6d",
    "signature": "0xcd82f57c8f7defa3a10080e2cf0bd4b0ee8dafd4f23c97dda82965e353c66d2c113a2d38ed7b35c5334a03d8134f7e079184db97871bf6acca96d974d37ac2751c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}