{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43430",
    "entityType": "User",
    "nonce": "0x890c65d5a5ccd2af1a90f0aaaa2f1a8b067e6e6a2324ecf2046db9cef02a968a",
    "signature": "0xe2d59c60860ac58e108fd8714665f972d19dda6be4f41ab7ca1341f10cad8f5e277100c473998d08698621fc445d2e013bc90e5013108f6b20c754f5aab7dd511b",
    "signer": "0xb17bd5Be74Bbbe06Fb52cE5F0E1e373b5638bae5",
    "userId": "392710616"
  }
}