{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38962",
    "entityType": "User",
    "nonce": "0x1765596e5023144ab8bc5ab94ab5aa9ddc14df4445ae290167335693a06ffb88",
    "signature": "0xd7e3bc418f565dd27264f190b3d8a0558ba64fced1f9b140193c93c8a943a55c56bd316438100724440684a44c13e2d4b67cc524900e1bc9b1a3df5c46b3d57a1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}