{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "178763",
    "entityType": "User",
    "nonce": "0xdbea6cd64a3e232abf0da79c67a5bb40af45ba074b9946be6fe50526190a61a6",
    "signature": "0x725c4b183d58d14c32792611aad92f4139532c6375ad4b470309711f2f57e5276f2932df04c5a26dbf166a7c950c034a806b3be8cf8164405355b97343ca6e441c",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}