{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0xd47925817d4706230cda3f184ce8018ddc55ec3a5025e4fce1b6daa6e8994d79",
    "signature": "0x8f43a53036f3913e347d1681403f001389e28c02eeb8e1e551a03cfb2afc237827446938bb7550950f8ae62305381295e5e4161b283e93a6501ed5250dabcc281b",
    "signer": "0x64FFe0281b039044f7d34f49E097375a625c6850",
    "userId": "367335314"
  }
}