{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x883d7acbcaff80cbaf9e823a63bb28e23692f110fb96416141e048aa9ed7a6c9",
    "signature": "0x4d3d49b448e3aa656f9fe4460130b3d468a75245a1f4672299aaf3dfe369942535871a2a085571b94d86b8a313acfbe5cabc690000b7ef1159f97998cdd948271b",
    "signer": "0x190b45da1e3F48ad1551D8a1D4A02e17d847674f",
    "userId": "384443009"
  }
}