{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "670307808",
    "entityType": "User",
    "nonce": "0x55c05761c4657932b81b70389a4bff246588db3558afcdcdaac23082e9a211ab",
    "signature": "0xa0e4063a18481db90052e62ad16e3da528e7264c50a77182a6bc5912c33535067e8882f2ab857028e49e20c58c7ce778ef7d81194cf522b26cebe258733efb141c",
    "signer": "0xE69EE1e71C27cDfa05141f1DCE82bF0231AD05f1",
    "userId": "933842159"
  }
}