{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27704",
    "entityType": "User",
    "nonce": "0x0fa45474d65783d81da5bea70683a7b87f0785491f74cc0cc1a2330309d5713b",
    "signature": "0x33a86dba9d4e3fa94dd6826b9d0614aef4029b575437593e4948c6f8cf6c65996a44a78532f3c81580408a143e841ff9f6563372e912c959ac18f471aac3f72a1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}