{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "929186925",
    "entityType": "User",
    "nonce": "0x4f6e78e339f5b403a616a8455707d3dbed14fbbfb459e025812fdb787db2ba01",
    "signature": "0x15520d14282bf3b7939b1590d0b4d10ad9a4582e9c78e346c8b5cbbf25a40a6b6cfbef562523af0469eac3751abd75310912632d6c7817986d95a96421c4dd001c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}