{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1265616",
    "entityType": "User",
    "nonce": "0x634989e81ce1459523f164e731e42b2670257d865b6c5a651ea41220a8ed2b41",
    "signature": "0xc08dfb8f258243b198c6fcd91b002fe854d38df5885497a03a8f5b09594ef8cc4f375b3496b565002ac526e286d6c5d719e666aace1dd07b4b864182f6d825b61b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}