{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167557",
    "entityType": "User",
    "nonce": "0x8f3d9455b835e5043b40f8b1017a8f43768e948b5e0bdfbbb62f0f853ed45fdd",
    "signature": "0x3dfb31620a664288d6a115a99886b864754920b5d7ccf3e5052c15681d885f5a554752106170e8a347c8cf162433c23f08a7180288e4299086c70354d14c232c1b",
    "signer": "0x466813bCa0B58e1EA72D74df46a4CD412aE24d49",
    "userId": "827803944"
  }
}