{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "243128083",
    "entityType": "User",
    "nonce": "0xa15b56406cf3489563a9bff2ea89740a1016ed545b74ace096b131e5a976d923",
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    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}