{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56825",
    "entityType": "User",
    "nonce": "0x2626e510f22fea00f2a00d29d7350021aca7e119d8f814a9589c60230dd8814d",
    "signature": "0xcfb2f0dc7a2777f5bb5c0047cb580b6fe0055bcf8985ff24ebcc6a5b065933403ad957d1861ec424a1f8686dd71a124df498f5e55ee008a9eef67d2818ccb4d91c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}