{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "385628",
    "entityType": "User",
    "nonce": "0xb4a1fe2919ea9f8127790f1c42d47cdf04dc371b484d446e178ee7524843d81d",
    "signature": "0x5a81f1448bfbffc7bcba81fb5cbedcc09e0cbffa54dbcf267c937938cd1b1af807be2768691b2b65dc5545ec08bab07e28d839876def844d584bcdce9301db131c",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}