{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "589495545",
    "entityType": "User",
    "nonce": "0xbe92e3afea42cc93b0648fbdf24007878ef35cefdccd25f021d120cfa9bc8241",
    "signature": "0xe05b1503c5a6604f872cfd2c2fecfb3da3b9358c8e19a25c838b320d53d3f27b61a7f0b56e7d896289bf65c8738615f751e7863416b8e30bcad247ef656128991b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}