{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "295399",
    "entityType": "User",
    "nonce": "0x6ad646e5ca0cd08bca2a9d54b3827042337e028a5df49b22fc3ad64579b51056",
    "signature": "0x559651646892a6f5ed92c567d5fc8cbf6044b8e7f1cc3fd48abe16624822d0025a6cacc6c94b38e54eddd382cc9b3ede5e6a15a0cf8bff292cefb20cf926e2591c",
    "signer": "0x9b1a9d02F213F5C768F11FC832194b5cB665E056",
    "userId": "418702748"
  }
}