{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1717913",
    "entityType": "User",
    "nonce": "0xa6b847af39057e01803e00864feabcc113865e648f6c2739441950f32b715430",
    "signature": "0xc41b13d2dafac1b7167ccf8792a992e76da80c87f3516c6850b94a9d2238c72c61504c26f9e321ced0ecec0581b084a976bd797f3e8c281c15a9187b04926aae1b",
    "signer": "0xe23f94433EED8958AAF9868141BA976B8fffb969",
    "userId": "307915745"
  }
}