{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78148",
    "entityType": "User",
    "nonce": "0xf46d042c05d8d9f35e4bc7e05dd4aaf1319c9541035f9a7fd6eb387c989c53bc",
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    "signer": "0xe23f94433EED8958AAF9868141BA976B8fffb969",
    "userId": "307915745"
  }
}