{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "494935131",
    "entityType": "User",
    "nonce": "0x52b62239e22188667a4350ceb996b452d49e9b5f7addeceb9b0797916c625de7",
    "signature": "0x97045cc1aa33313106e9524930508aa14c41ec7be0511d2cb72e9a8402b9919e1531faea3b877b63abe40afcd9685739233c7a2f1be8f6f300e998a403596bc61c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}