{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "359455",
    "entityType": "User",
    "nonce": "0x04d30c510832938253b0e57dfb61d6752f61b4dc5e070d47dcf5e65e99749f00",
    "signature": "0xfeb00c80ba250cc4da9b01b94aabc8d9a88e85e1818ecc85d376ba071b0e17d74f3fd78fa96adfd15cb61eca1dc18a241b0eeacae2ae59a9dd95bb0c712361a41b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}