{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "980265870",
    "entityType": "User",
    "nonce": "0xe44a2ef6d209470bc580180138a85f4d6bd24f1eaa379ddc4b5cf31c443740f1",
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    "signer": "0xb0bc7585AC84F169814851A3C22d8d92D133337F",
    "userId": "267657235"
  }
}