{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0xb68b1bbc4505ab47633eec06a545bee4e091f317662b049b9be456127d6de96c",
    "signature": "0x6c7bb2c91a2aa7cece2a9d92dd8355976c68e7e0db17ab99f2c6df1984202cab21712cc6402d9cc0970a90b1be953c25bae48bd8118dd0e3cbd627c6dbb84c7f1b",
    "signer": "0xe270C91f9476B885124d6c0208211213dC10036a",
    "userId": "94825285"
  }
}