{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "625268953",
    "entityType": "User",
    "nonce": "0x05cf5931536c476a6a94ab7ff255cd3a466bfea41a3f0fe221871f870b267586",
    "signature": "0xcaef2c07d18aba04f23cfb3c7d1b54df4b3d42b8e4ac6aaa155eb7abf31a5d456a162d73a40a157d770815c7d125481c13c01ff07e95ffc8a29dda7412962d131c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}