{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1002111",
    "entityType": "User",
    "nonce": "0xd2951f2a57f586ad50f06a642e53ccc49e46696aaa9b00d827ac233cf4c7dccc",
    "signature": "0x2f12f8d99f4d3f5ccbc97f33f96a74f250762343797e3a876b6bc2d4f83286493a562895db035c38316daadc4a8858756d95124acee260f5b04d2abb05e542951b",
    "signer": "0xaC5cce7598F0Eb17aaE90fc5c8221B0312d77aFb",
    "userId": "329521655"
  }
}