{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57544",
    "entityType": "User",
    "nonce": "0x22e70a69917c65381ac773522519ef6a9fd0e248e656f2f90821e45b12961ee3",
    "signature": "0x6abae679039350c9c296ac27ff31006580086d3ff861d682d933b50fa800dad62e114bb87d0f6d5fa8adcee079be18cf854f1f19eafa9bfe8a3f8c04a94208e81b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}