{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108474",
    "entityType": "User",
    "nonce": "0x344662b77436bb6c5993dc7384c3739368c9ef1eceb3b4a7a25ca9a89da9aa8a",
    "signature": "0x824f54f0a46f02104d751829859e63c4d8fe0c6a7c9cc74fc843cc323078b92153983742adc92e48b93c8671678d3008e58fe4a27d849f3a0b80a8a788456d161c",
    "signer": "0x98591a180A20DF036EB2C9D2c24B449E65939Df5",
    "userId": "338604526"
  }
}