{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "297032",
    "entityType": "User",
    "nonce": "0xf180ca91d8c442e37445450de6bd9a4bf37d49a662382818773e62bf54c35474",
    "signature": "0xe5958ee6c4c28c44467215ab3ae9d20944549257ed941ad7dbe5020ceaf17591081fba0c839b05049fb974e748dfd49195f824df30c5e7d1974b7a5b1c577d961b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}