{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x789adb889827f432ed605e86173ebe52c050671e353ffbc388fd1d38713b0c64",
    "signature": "0xc2f96d9ef0a72ce2385fe3dfb968186e2070994adb2cecb4b2878c335bd324fc0685a3959521f5ebcefc9ffb478725863bc0c41575fdf80abcd19752bd0bb7611c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}