{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "211108",
    "entityType": "User",
    "nonce": "0x1e35f58b3214f02ff67d69712feef95fe3a7eb62879fdb783574ab0bc3bd3cb8",
    "signature": "0xc1b19bd64ee5328b34265bde883d64f9a2636977287417c2ade09080ef9072353e1e1492fe7c0a96fa30144a6b4bc22ae7f4b89cae0274dbfe556e07967c50b81b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}