{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "181185",
    "entityType": "User",
    "nonce": "0x298e01d6e8ab55a2505428856adfae1f019f2f52f26024a529d84d38807e28a0",
    "signature": "0x91ad065df563696d3a639798e672c3b087a87278eaab8be94bf1b2a063d584463d704e55eaa4a921afd380f3cd2a2ae835950c57555bc491e100df5d0e1f74551b",
    "signer": "0xe2b1dcE37383Da05C6DEcaeCeB1e76b1449f1711",
    "userId": "218728810"
  }
}