{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65164",
    "entityType": "User",
    "nonce": "0x4c76012ab1f8f5314c792d7ac77e1be53e9a7917cf64f4d0d2077096477cdf90",
    "signature": "0x0963f5dae1313c61fb80c071a8c26febbc86c1c35796cb371c629ca4fc72708e793c9711691c47912e925bd417a053d141188cc8b1255284e683413d58cd4d811b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}