{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54292",
    "entityType": "User",
    "nonce": "0xfdd99379f826040effd69bec4ec3d23ab4b4ff735af09b4e403ddb1a5d0f35bb",
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    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}