{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56024210",
    "entityType": "User",
    "nonce": "0xf85a53bc8eafef82fc1289d008320c8743b52e983707930323c6c8d8c2f7fbd3",
    "signature": "0x5de8db21537a7f46ad63de37f77b6921aa4fe2892dcdebef7b04748efe85a43a5814743e943888e6a755bd2da2518a60f06a581476a28be221b0226bf8df50081c",
    "signer": "0x1366a1037C8F2E691bA2D0dF3a1176FbA4736510",
    "userId": "39692"
  }
}