{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357225773",
    "entityType": "User",
    "nonce": "0xcaa51f5347677d068ceda422be27d65c6a36e5a15084850bd3ceda1173e4cbd6",
    "signature": "0xd7750b80a08e75d5eee6649507032657baeb5deca49872074b661bf765b9b6a34c50b870eb504b3abdd12e6a3a756486f2d956921d92042a8ccf6d65a5c450a31b",
    "signer": "0xca7c61d7Db568b81B8A952B917F45dd863B736F1",
    "userId": "144109"
  }
}