{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44159",
    "entityType": "User",
    "nonce": "0x7e4d447be03b138bc00415a23dbf7d500c8b7b05306da4674f9ea5779422c47a",
    "signature": "0x476419a8843e90b8c071a222f5e52ab8ac9bce4ce31b9f8f0380caf84e389ae52f202c202e3b1896802677d190d55b2ee57e1e29de0f29983fe8f5e3acdad5601b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}