{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "235357",
    "entityType": "User",
    "nonce": "0x135bd32ec260be057326812db0d117403b31af15d74535be67ce1eaa5fa17774",
    "signature": "0xd3d2b9b2c90c8c840daff17fbf8389c562ff350d6cf18105826ad5c1f4fe156d383d0a9ce7db6606d9d21a9cae607b89c75778cf4a4cecb320fea4cc74fb434b1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}