{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "429565",
    "entityType": "User",
    "nonce": "0x0609ea37925b9c418217c68423575979bf894759e433bc288601a9e335631002",
    "signature": "0x0a9c0b71703cf98ddb739c22cb765915afef6b6dd2657216838274ab564c2e1101fe6280723aadddd2c16be08b6080bdfda508f2a33f17869758469a896c50ea1b",
    "signer": "0xFA54BdDbc2fd0fA514bA36393EF2F5a80Ee9C49b",
    "userId": "428192787"
  }
}