{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0x50bd21dd2c115c1b3112e405a5237e1252f555335b4d66ba8d1b77df15475c6f",
    "signature": "0x9a3315e156d78c76dc739a1d330fb4208d7df725bd15e4225b54cdf72dd1822e244ab479c7cd093caa7ed608e8d55d8fce7f0f268f82b6281c9083cf323042141c",
    "signer": "0x6Ee7842A432b779E1Bf51F27B824fe86161cee6c",
    "userId": "408407824"
  }
}