{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfeefa8a11525650e1af63ba1366e6c1e467e3e26bc1dccd24d17509ba7e97cf2",
    "signature": "0x04796d1d2b913b5db46b2adee47ea6765afd4ea7d21eddf4644628cef93bd48f714161bce75e3039917efc59623c94fefb0dbff6f98c90b872eb82204055864a1b",
    "signer": "0x47D0812226093412F9Ce50Dbbe1ac48Eaa5c5BeE",
    "userId": "61400347"
  }
}