{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1468629",
    "entityType": "User",
    "nonce": "0xde52667e8290772518e865b6e759356771a881557fe1f1090c0c4e21501a4a46",
    "signature": "0x3afd1153d6923bba2dfd20198bf373f9a2661ef1354e8b9ea78062aab0613dfd4e6fb24ccc7b141956b782862f1b2cc77a7708d52a1864c68ef49f43c9f297e61c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}