{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69340",
    "entityType": "User",
    "nonce": "0xc7212248daed9fcacf65783e090b78fa278cbd1f2c67ededba76d37f16e90a23",
    "signature": "0xdf2efad36c9f5385fee624958a0ceab8efcfea1a2e193944bff5880580c7e8c91ee86c76311c0aa40afe99dc2c441754feba84c26e72e5e980492afa67dbb9c21b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}