{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1863256",
    "entityType": "User",
    "nonce": "0xfaf96e79e7377b85cec7a65a7b54f8b049a3e9e39818e92107a3fe3a51489f1f",
    "signature": "0x338c5043bd678ad5828689e5f520bcf85fee52618b2019760621145d8c6935bf33cd3f1bc7f4a36842100ab2dae628f9c2ce32b8af779edab4f137969bad08de1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}