{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x26c30c24d024e799f8036f2a349e24599b76895856005c674b6cb3f00caa9159",
    "signature": "0x652f756206a149d68bb10cbc2b791d8a4879b8537227c7cc357e00c13539d1e3096b39c2227f173c3b8785aee215f6d67ea802fbd3e85348920a17d4b464c2221b",
    "signer": "0xcDAC87eA939cd4Fcd0D414E5F86E5663Fa92a9Af",
    "userId": "273798228"
  }
}