{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0xc197dc8c9abebbbd80c6a47b715632379ab34c4a29062a66c1ae562d9045124e",
    "signature": "0x8f13b6608eb072177fcf907eee0c66289b281e86aec92741f0871a533b98f61c3b192d30d3f7260c926597b62e667941f29b474cfc1f16f5ac6ed706179927271b",
    "signer": "0x0EeC6f3E19Ab6e181bD36137D630E24db27D1950",
    "userId": "113500532"
  }
}