{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136383",
    "entityType": "User",
    "nonce": "0xf27df0cb45879ff85a495eb352e00da1073b18726bcc5f2e7666a9f9494e4a21",
    "signature": "0x781f2145fb0b7060fca95b76a851a8f8a580ef4041efa78710373d73500091620fc6dab0456168cc8aae2328c1f51340fec673c74a13ffd6d0f00cf78cb0001e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}