{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76709",
    "entityType": "User",
    "nonce": "0x56b7ff46b1213207125eae9b71488dcd99a60dff53d3988758947cc2634484ca",
    "signature": "0x521944371eea43197974617ada6f2958ae94afd687a503f98d99f86351b9c4ff55c97463b787c67ad8e3a67962415c86843f1c3d7c3826933f2a97e53dd948ba1c",
    "signer": "0x375963f281CEdF4D9D180496F80A256D574daBa2",
    "userId": "981824750"
  }
}