{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x54b13243cc19337f888841b526d231986e817c70de405381680f4e2597a53d78",
    "signature": "0xe43dc01c673f32b88a466beebbee3160c0415691e401a68916c280b6164bcec03bf00c9cea814fda10a33c1afbb2cf06555ef9880f0bf21fb6308460ecdf17c91c",
    "signer": "0xDC3F1116Ce7B919D352b15Bb4C20db6Bd453F50e",
    "userId": "583138572"
  }
}