{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1425611",
    "entityType": "User",
    "nonce": "0xf8d052644d9ad39d7ac0d27e0c9001d2881430c7e5f3bb043b1c8e465e38ba94",
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    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}