{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0x94654ab418dd085973737b46a64d5f96c797550353c4f128961cc0fbbf53f714",
    "signature": "0x0989be0b6a4f9e39af8f895aab1925810941a0ebe8ce30705c46ac319edff66a1d6f99561912e2895d2c6b9dbf36dbe22165c62f827cbd3f7e32f475fda088641b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}