{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735980234",
    "entityType": "User",
    "nonce": "0xbf3936338f4b6514580b43fdc7ec0dcc50a55af99ec6d716102bd6bbfb819ec4",
    "signature": "0x42e77b7ce52308cfe109f100fa66ad0ca9050e41a217e06938e74a1484ddc600371de595b32388fcb1ac7258dc4a8052c134b8defb7f72ef8f980da9809fada91c",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}