{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104966",
    "entityType": "User",
    "nonce": "0xe93474dfceac5b4b7e0675e9bfecf40030fdea3ee7437b7e64955263f91e43ad",
    "signature": "0xd5d8cdea199eb89382834cb1a7f2de0eb51b85f85775e1affe28ee49b0bf68c93a1a9892ddbcc274530f4b1699c2a3c37222c321f897d1adf2b4ba8e41d484a01c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}