{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71115",
    "entityType": "User",
    "nonce": "0x630605ffb8eda609078700b05b77fc7437e7ae8edd76872cce97ee2884664af1",
    "signature": "0xf9615af06827ae854c489785ff02210348c3523cb7a12ab2e52ef6d592e41861295ff56bae5682aae4d1848373a9037cbc68becf45472fa361dd5f31d72157341c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}