{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117857",
    "entityType": "User",
    "nonce": "0x251ea245806e4f4a92c30e92acb6937029f609e881c9c8d13a618a404316a7a2",
    "signature": "0x8bdb581ab06edf55ec78b2d3aa5797b18d23ab3fb1452d352bf1e45538ff140362a527cf08b3512e12c18d5b459684ff98ea4319bb576fd09a062898671d9f611c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}