{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85657",
    "entityType": "User",
    "nonce": "0x6663a0e416b54ad7d5567386f899f68ceceb63785f3a242fae1fbc384255ea50",
    "signature": "0xf92c64c245401a49f66a44f0a09912c6932d2952fe0fa5e43a5b2f20fcd946d321bcdaebbca091204a5d626f0c95a32a0f7d2205af280468e55aecc459bc1a7d1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}