{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbd2138945f7d536dbe9d4a090ddb82a216331a9361150b44997495b80f6c142e",
    "signature": "0x38c6b36468032595606b524c07098d39d020d69079000b970473f715f016ee3e35c48f184525e95155292234c4edd68e61e391db33991b598f7c252f39bb4a041c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}