{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "916757808",
    "entityType": "User",
    "nonce": "0xc9a2e85a9f46f59f0fd29d749f5bd4e2fdfbecffbc871850bf671e1c499d26ef",
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    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}