{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa29d5aa875f6bb3a52bf448bd767b83c546fc849b1a663fc939f4c7220db8001",
    "signature": "0xe659a02beaf85f34cec4e788193355d03a1c5e529afd8783a49f00fd47c29ed71a4a8e89e8e6ac7961c3362f2979aff2adcc2425f444a43e6d3a338e7daa08ae1b",
    "signer": "0xEf792a7Fd5Ffd12D72cB27292EEeEEC2a69d3E22",
    "userId": "156979855"
  }
}