{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "702261",
    "entityType": "User",
    "nonce": "0x26990f6e9f8951a60c3fabdf3e3b6e1e1212ce699dab52ac88a54764d9f685ea",
    "signature": "0x707b7f7839c419aa57060f8201940c1a6aa46da02af13c28610643696cd89a5e088ad460d180abe87ae8c91fd89be382ecf736a9befd7a6a76bf22514f883fdd1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}