{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167557",
    "entityType": "User",
    "nonce": "0x63c264e00f02b8acb2aff10b007049ab36112e4e6d099a473f41edd586429370",
    "signature": "0x40955333a098f86a3deca1ca69b6bb2d0d6afcf8e0c4d0e15b535c58fd2ffd0d4afa4e3bfc2b2b4b73490a364898c173a483ee43f6dc16de67123ebf51f45bed1c",
    "signer": "0xEB69eF724F496f166f22363278C57fD1C454d2cA",
    "userId": "352613"
  }
}