{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2047813",
    "entityType": "User",
    "nonce": "0x19c7207f7b3040b08dd480b42b6b24046906f83effa8b48b820626ed255e6b42",
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    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}