{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "143117",
    "entityType": "User",
    "nonce": "0x2fdf927840f84348efa9ad0e15035f8f5c4762a37f3dac4ed0c49262b10a3d9d",
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    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
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}