{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5780863",
    "entityType": "User",
    "nonce": "0x2ac8ef8037018cce2e5cc8a345eb17d64512a58c5168695e05d2eeb721efe9ca",
    "signature": "0xcb37d8c221122e52fa2791786f4b73364823e9e6e9ea643f0901872eb94d228d3e3644c4a9c37d7de6e71cc7a81551289141811f5cc0c1aaaca33b69c193f50a1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}