{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xd9a13e091a425586360e70efda35a0a65bd75d9f8f774bc3c29138f3e8b5d88f",
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    "signer": "0xbA5231da41B64fC270444f50999A73f927f23256",
    "userId": "28116771"
  }
}