{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "869642170",
    "entityType": "User",
    "nonce": "0x2e860b7bd2980e6d9215c20b8e645d5ed90ddd07d2e29360493c9666427b7916",
    "signature": "0x7d1dfda94e1ec1e409fbdb9cf01bdfa0af315870d0887cd7e3581d4ad83e998e703464cd564c90e20296e62b187bba151b1910ca8ac510680bc8634cd9957c701b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}