{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "526424918",
    "entityType": "User",
    "nonce": "0x2a95a2e5254c689411dcada518b80c2055a2fec6610dd232c543ed403276714e",
    "signature": "0xa24541dbb2d5c9f508a28a07627b5c630af6e35cd82f0186cc5464b2d35157256cd18411854bf4975706d39debfee0b1b799239bb90b1997c1e26b0ed573d4681c",
    "signer": "0x3776E1D82Ebf03656FA9D03C18fd5B58D7Ddd337",
    "userId": "83331354"
  }
}