{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53748",
    "entityType": "User",
    "nonce": "0x78c652636d0a4bd5d1ae4ee15a4c797b0de6a95ffcc3fa6502f7c168fd84b562",
    "signature": "0x6c089ed5974b84b1fa1a014e14591df71c8e3996e444d9190251560862d0691635623a6889e1afe4fa76b481a68163be92fb08c4c132aa7dfeaba4be3082c25e1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}