{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "418685",
    "entityType": "User",
    "nonce": "0x44929c720e3e6c7eebf618b682eb0074bbd52d4578854dc5ae41f61b8a636198",
    "signature": "0xb1302b2744843f76cb2db647df580e0e760434a3228235eea5b944e86fb7b1eb787106286b4d90770789346c5da97e2f1b84cab6b2b9d1c1e3233b3b3bf7e7de1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}