{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58636",
    "entityType": "User",
    "nonce": "0x8860787bd2512dd03fc9f43b321cae857faa7d71a3b93df9e39e352a0052d18a",
    "signature": "0x6b308249efd2bcb0b284c41116b1ef2b9f269c51220ba47d4bca082c64f0c2491cfbcb2b2bd2b3580bc032432e099a644db10aa479b94fa50647aaa0d0744eb41c",
    "signer": "0x2b012Ef37cb9315271f0AC801DBbec07c0D4578d",
    "userId": "506789556"
  }
}