{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57717",
    "entityType": "User",
    "nonce": "0xbe94174d11b6e7226db1ef10528384dfce1f4136b3ef81421b6041fc021410d8",
    "signature": "0x550bedd0dc76a29b4b82693a064974a90aee47dcc744eab2125eefdc6fb578c46efa84e07bc1e2bbb048e5fe332db8cf49e14adbc1f0338356aae849bed98d0d1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}