{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83002",
    "entityType": "User",
    "nonce": "0xed4e9ede88f203d78e0869977aca936bfe814ad233cfd2902309674d8e4ca460",
    "signature": "0x506f4b13b4e511b48d3647c36efa3e1316abf2e1af1d28822c3f5c89f850631b0cd0f1c54d6c68508d43eeb20b5da36d3aeff656b14ca0d84ab39a1cb30febc31c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}