{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90005",
    "entityType": "User",
    "nonce": "0x9ae87789a4468e97926cc272909b0d1c42f4fd9b7f1a7569678083b0ff785c1b",
    "signature": "0x0a81b1cb733755523da724a9a737bb22d40cde91f62937c13d1c8c7590b8fd8501b71419aa998cb5975046a2a9f9159240b225133e27ef86a418392a67cf31891c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}