{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "163708734",
    "entityType": "User",
    "nonce": "0x10f98945234b233a2ec63730440f97a4aa64fa83def21a787e620e243aa4bd22",
    "signature": "0x42b748dc2664f654d5360b9a179b96b069975fa8cb8819998b4d18ae2af6ddc22d20e3c544e8ef5d0e69c1243fcc0ca7c87160c6ecdebc2b0f4b3dcd854a1bc91b",
    "signer": "0xE726D55D6940a70995Ce9D8aa1aCE76FC6f4f544",
    "userId": "285113781"
  }
}