{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "955974066",
    "entityType": "User",
    "nonce": "0x68d4dd4231fa9ea74dbf1b7be3410ad40cee966b20d94d183311c6d0138a3a99",
    "signature": "0x45f92fb9db4e11303495718855dde408184bf0c719a744b0cfc5f6974d8edfa62118c0c7400790eb7232d4ae1d9678a1f97bcfcf7f3bb1a9270775ba358b15441c",
    "signer": "0x8b77d47DA28d313A2824468913d2f44F9a5B7b75",
    "userId": "808833626"
  }
}