{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329218",
    "entityType": "User",
    "nonce": "0xeecd5eb41b60686e076a80301a07e02eb1fcfc394720fac7a9e1c0d653f99f8e",
    "signature": "0xc03e5eecced62fd17d3e9835b769da7cfcd0c2c359235ef9f72e3ddd62ce2434692c791c180646a96d1b10ffd32de0c0cf820a374b0df9960e47c9e9917bc5141c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}