{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "670307808",
    "entityType": "User",
    "nonce": "0x6fbab0be4976be0b6ac89df98fa487963dbb0d96331f7b33e52a17597a27ced1",
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    "signer": "0xD36a10E3571a62069C0a811F2B068950F9a802D6",
    "userId": "733676803"
  }
}