{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "765901034",
    "entityType": "User",
    "nonce": "0xf3d2660b4d2ab57dc854a0a0af3109b0364c57803df7ec604a53327cac0c8e93",
    "signature": "0x5f7c93c5830ac97d1264199090174af39c3dfed3414a8c642bb0a71ce4e7e66c7717b4695205bb7c2e0b47a19e6cfb387d8f4f5cb6f1dd96b12aea145c0b87e91b",
    "signer": "0x2205833bD910998b6F99FDbd53F5FBd387134b96",
    "userId": "424142613"
  }
}