{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "817864519",
    "entityType": "User",
    "nonce": "0x08ebfdef8e38cfe2bc2da140a650594fbbb487a4f2c21fb9553349ac8fc249d6",
    "signature": "0xe2af174b3ce8fd667c08c1d631d29cb1dff7323e6645c2f2691b6c02790c9f4a55249f916f457b02918e25ff5959c73da7742930b2afa99da363fd005549e12e1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}