{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "81372",
    "entityType": "User",
    "nonce": "0x00bfa09d194f0d829adf34cccc753fa48151199db6171cbe4e9d27dab222557e",
    "signature": "0x266746b10cc979803965985c92dbaa7d45df4ee64acf845ff23b0a9e120adc61330cc0bef4fa3f9e346dd74b1f6ac4308ecd93646deb1ad0c7ff5620ea1c82511b",
    "signer": "0xC3B8Db4fD6b5608e625Fc02e4e8B7a274B7dB687",
    "userId": "110486155"
  }
}