{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x9fcd23ab46665e1d525f537debb57642c7794e5cfb3186d991b3acbb2cc626f6",
    "signature": "0x841022998e5cf753bd1725bdec71d2ec066ae84bf0ea1b4bbbd60634553ab0017127ef8538af32994c5bd71e031a5fdae556ea144c937f007f7dd2d897ba878b1b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}