{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111324469",
    "entityType": "User",
    "nonce": "0x0b6184d80ccf777a1982b36c3decfbac7cfd86159c39d198c4e4650bdc2dfc0f",
    "signature": "0x4815bbc9422f8d84155054445eacad57a68dc3b2579c58bcec04fc7e0e4ae4e376fbb39505501bfc31fa80ce64192db0ac4250fe6b5d71b4a54edc3c1b887e991c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}