{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85915",
    "entityType": "User",
    "nonce": "0xf713a10e6542c6664da7e981d8a6beaa3ffbf25f141648de32061658e674369d",
    "signature": "0x5c4d3b875a51ade834b7b77600eae1914afbb6c76a60ce2826a5fd6d2eb8b57114d568b21b000bab3ee7511d2e6f1de5dfdd24fde82cd6a9365e97f7c3a5ce221b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}