{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2052244",
    "entityType": "User",
    "nonce": "0x1e8d64c58f4bd56a64c29e530468a0e33b71969d9a93cf4c5c160fb5a1b64061",
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    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}