{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1952324",
    "entityType": "User",
    "nonce": "0xede3015801912ea986ef47062e650f0e62e2ae7535531bdd7eca4fdbcd7e1eb5",
    "signature": "0x5184e0e38aa470a3b15cc523e528b28ab5cea072f8fafa70b7f9da3f7fc88e490810c2f39f01f8cefa4adf1fb0ae23987a88ed4aff3d65d08df03a7b77025c701c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}