{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x692d5bb35af02a84ed2e22ae00453ee2ba2ba5053b378642ff44f018ce815f1e",
    "signature": "0x565726454aae65d36ae8ce091d8305cbe2a02b85c5dfb5b60c86607500c9394a4b4bbe14ca4fba5811729d1d6eb09494acb3ef9b6deee8ae144f2d1f6c1377ad1c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}