{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "349847357",
    "entityType": "User",
    "nonce": "0xab3bb41b7b1c9cdd846ee6bb5caa039a5f795851a8f75a9f66becb7ddb604cfe",
    "signature": "0xba6b8c850fe20138d55d3cec5a3158b12e437af6cc5004adff091f9cc3ce91e67993ec6e20c76b5d58da8b0cc64c2ff2760888d501e0221ff961f8804498b5f71c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}