{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "906184213",
    "entityType": "User",
    "nonce": "0x3139c4b39a930106f88d3d2791486276335c955e2352e740d1355a86332de7b8",
    "signature": "0x93cdc7614397a8b6d8372abfdec21c67eb19dbef973b24a7736b758572e08e9243365defb377872889057076fd7df8c9e0d8eed4f961278a3893e37d7ba7d1af1b",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}