{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54988",
    "entityType": "User",
    "nonce": "0x7c61dc40e000859e00e4ec314056774788c20532ff327318e7e0c226c93be087",
    "signature": "0x0f414a79e032a0b9bc4418dc10b1aded9774e88cd4adc27c373a394acb3ddac87e0d4c6708dc05cb9d23d8ce8a3c5602118a5230b5b5adfdb5291c909ea343411b",
    "signer": "0x4cFd9635b74edd6514FBb781B9C920be24A36AfA",
    "userId": "376830101"
  }
}