{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97457",
    "entityType": "User",
    "nonce": "0xe5f83f4ff1f9b82bfe54570647a4c4bb7ddf363f85f38ca9a9a189909e55d4ac",
    "signature": "0x036379518e9c93af31152ce12957c51e1c5395cd1255ab9cf1b9611c4d81971d553fc0f297a2395837f30f7ddcf4714b832cd276e38240519a9431789dcc488a1c",
    "signer": "0xC75a276D0a36850045510B0483E737bCDd1F5E9b",
    "userId": "588125677"
  }
}