{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "976",
    "entityType": "User",
    "nonce": "0x72f0481e6b25d77d14c871ad7adae213b9f807131f18040d300d68aa0d3099af",
    "signature": "0xb98c6e9d3aa0d59a2c8662de32dd4b3f7c7ad26f9b37733ff72770c9b701e8ee2aa99a4d9584eac0ae647a3f933cfa3088884fd679c790b170ecf22a323179f81b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}