{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "784775367",
    "entityType": "User",
    "nonce": "0x26e72816a31cbed1dec03dbb1d7d2893eee4ee5fcc1043194150abc53c2d8131",
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    "signer": "0xaa9597d3d2D028AC73c689f02E12E7e28A407E7B",
    "userId": "761103314"
  }
}