{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x3ad12b7f0f233228f464e9d6ab3787e72e1dbcbbe5f8e3d251a929a385bf0917",
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    "signer": "0x4089d1751487aA665C895419F2578a6Cf33BE481",
    "userId": "728155533"
  }
}