{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2052268",
    "entityType": "User",
    "nonce": "0x76f0e6779711ca4504ed5d52536c2f426a4fc822b4d5f996bbf81b9429b72373",
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    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}