{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "858059039",
    "entityType": "User",
    "nonce": "0x394dbb917f7701a6b40ea7077b3d182efc80ca1182d59c31f08accacd9e77b6a",
    "signature": "0x76e24911af061318c46f327b86c5fd7b5c8392574b8c638b0b90a09f4f7fbe2434e30c78e48afa05eca77c0b006304fdd1f5f96a33d6f356c2ecabe8f6838b9e1c",
    "signer": "0xd9d4cF91e1f5AA6f2F8599662a7c9b5896FB2a2C",
    "userId": "289632107"
  }
}