{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "271738244",
    "entityType": "User",
    "nonce": "0xac84ac08a3f00d48f7d08e2a85321caf09bb585429d862b33d793576fc646d0e",
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    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}