{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x478760d543bc7a1b9e0e1ae1215039b20f23e1ac04f4617076110a89781fb626",
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    "signer": "0xA3312C0b98998f02d722cB8f7A2C0c28C4370Ca5",
    "userId": "49582319"
  }
}