{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9158",
    "entityType": "User",
    "nonce": "0xd169dd681532c5b81e4d8d7f1fa414deefda58917ef2ef04f8d85dd40f6d6399",
    "signature": "0x86f40f5874e3070fc1e55804acd46aa5c182276f6d91bafd92f1d711d26995636c2d988e8c5eec32ed51998672eeac0e49fe9fcda231697b6eeda0f5d237346b1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}