{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "133021",
    "entityType": "User",
    "nonce": "0x4022e29243a33730402a30c6c1382e9ec756abb1409d5cbbb297ecc4cd442166",
    "signature": "0x2e0bf9993cf546f4c516e6f3bb21173d54dfe968aceb21a05d82c599255483f3713b0ffb8755a1aa1a79df001297a9c0ac8b6f72a7e7ac4780c0db707c831b911b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}