{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "23256",
    "entityType": "User",
    "nonce": "0x8788d818b42380f0a58f5a68a4fe429e0c05179c4275c490ff842919b53a2f1b",
    "signature": "0x85b82090b4d94908fe90528118370276ab80a8cdba05dfcbac2e03fddcb721a150641661330643dd85fb1cd10495bedee1f4df191c99da4ed49608ac46454e181c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}