{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "461949730",
    "entityType": "User",
    "nonce": "0x13f46db88ef445e22847c860771a689f9ee06fd5f6a064ad28e43be97454195a",
    "signature": "0x61576c6ced69f1ca071c5ffe5fa48dcc51cae87b73e0dc007b11beebc21e941e0953c6320a974dd9663b4163f75db29ef84cd49677d62e95d60f05278a94ca6a1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}