{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1031",
    "entityType": "User",
    "nonce": "0x17d56d2710f38f9d37c6c443369259460e436a0328b7e6a3e78ce6e7b2c048bf",
    "signature": "0x5bb98511a0c3838843954e91edc3970089a13e91e343f463f25c6307e476baac2c292fcb4cd76ee9981d9745385d61c4baf7b597205f1712764c499cc4cf37da1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}