{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1792405",
    "entityType": "User",
    "nonce": "0x585ec5a8caa24ed75c0635a2ecbcb8df3e5c2da4a8a01c3a32be80f4118d3a10",
    "signature": "0xc2da5c29c16f03a7cf5ba27734dfaf8488513047fa6ab10ea38615936fb410663e913ed32041e8eb34e466fd9e61cb0be284df169f041c805b164d4b2839b0aa1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}