{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "556",
    "entityType": "User",
    "nonce": "0x9d8092ebde5dcc33714446c0dffa406b76b1e422bdc66b8cb25d8a2993c5d175",
    "signature": "0x8617b2303dd7171ab3f2e90786bb12fe4b49843a91a1f71db9d7c29d66f699404fd5878ee3acb1923e87fb0edc2907228c294934d1de63c22f3118fba0d547b11c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}