{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "343328",
    "entityType": "User",
    "nonce": "0xb79478cd215bbba43f825c0a30e3a5a31360a274aeb860a6524ba6a2dd634633",
    "signature": "0x1c5b220ea4f81c9b1c4a060267d5ac3d4585ddce7047acd358838256ac131a8070173a5434c94c88f6c0f12abdfa6c8c351b653a4d4ff7a79169e0b22abc88db1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}