{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc191035a5d13f638b17eb1120e4d7845b411f89d2d629d1894e0ec778a2feff9",
    "signature": "0x27cbd697ead5e09c6f760acb82bc0aa61a41c49342f8422734f2c7f672dfcaf75eb793eea9f99858862a6199daca5491c56c97b362d110b9f29f638571b2fb101c",
    "signer": "0xa4a8907B0B26E54B18Ec80300D61E47F6ac6ec24",
    "userId": "282040531"
  }
}