{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1493",
    "entityType": "User",
    "nonce": "0x11f2d100248b7e00eb81fd022106d4e0ecf350132066ce2073a3614a29a68703",
    "signature": "0x14316f8061f9cb53ba2a6efd02d68a3d05b5c276d6aa36cd5bc057dc55b5f8c954bdc63c6bac820db310a504b88f6070b062367a6b54c942d25a7e2dbf698fa51b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}