{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67658",
    "entityType": "User",
    "nonce": "0xba9a6baa3b9df852264b67547339bc08be57bc714fdc151883a6b768eb51de43",
    "signature": "0xa5f0e7a3e03e93ea9f0efb9b9fedf4c669078993de2247f5cde66050297e334a37c86d0214ec85f6b5b6036bbe6a5bd9b03c5821e10405610413632753c53c9d1b",
    "signer": "0xe23f94433EED8958AAF9868141BA976B8fffb969",
    "userId": "307915745"
  }
}