{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "760764",
    "entityType": "User",
    "nonce": "0x2e8e943244713c2336901600ee7e92d6667aeda07e7bca59bb51daed0f474a7d",
    "signature": "0x8c226dc59cb5bcd6d26db516bb64f6323630dc2250c5f79acc82e5ee309a620876e72292b95bb24ad588bc81cc0931cb3e77d65c2aef1e1c592fcbd08d6050e11b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}