{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "852967795",
    "entityType": "User",
    "nonce": "0x6abb6f081cd1035dc4fe06350b600277593abc1db7b5c3839e478ec53a94286a",
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    "signer": "0xB83e22bD8194C5316D7640fff23024a851d425bc",
    "userId": "72245897"
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}