{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35918963",
    "entityType": "User",
    "nonce": "0x1a19a90dabddd5ac95e5ba934e2cf5709c3077caffa3341965bbf95eb65b0c31",
    "signature": "0x48eed39adb6a798c706bfece6c7cedc10529d2c0254d39d7d0eed6213336b7ec2fd4fbc2acbf8fbe11b45e2d735b35aac35f026e5f1b60b870aeee2aa93a3d7d1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}