{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xeb12408b462172a41c6434e2e343312c05ff61819e5e47ee30ea4796932920f3",
    "signature": "0x364e1783c8b31c22708c9b0753e1167b9a63ad592d0aaaa39d7b32b273615918173264e190a3da4b6794c4db2e53039f2507672cbdb03bcc735aa683d70f051d1c",
    "signer": "0x7e81914528b1D023c2b1b01083010f5808965Bd1",
    "userId": "73648"
  }
}