{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1321068",
    "entityType": "User",
    "nonce": "0x69b0d3972aa27eb0c96c81676eb1c606aa1d4b67b32f54f70ec53f1267d18603",
    "signature": "0x096148980f885b48e84094d99288b780d7b62fcfffd341a8e0981af6e7a5ac40484147129af1a4d69ad549db32490afb3abfeddf0d54f1abaa21a25e93d8c8191c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}