{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195762",
    "entityType": "User",
    "nonce": "0xbae7149d04923a55bbc46cc60ee220049f3dbee081bdd3c142e2668d1a15e12a",
    "signature": "0xa67f939062d5fd584a25551ca9fa90b7bcf86cd3b6a96da9f3437f8cc687caf573b84abf79ede7c7554a84987c19cb94b4b44b0ded8c07e1768db8d4eb55e9791c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}