{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0xfb17859d5904b60abc947decd0aef00020d14008d466777c7a0c5e451f259120",
    "signature": "0x9998f6a556a3dbcb86ecc33df2748c142a2b180580ffca11916b9f77fb512c0109cf4812a537ff9f807bb8e12ac4bb3809099c7e51e0c15be5d33e7520ca32aa1b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}