{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396506",
    "entityType": "User",
    "nonce": "0x7eb85d3607ec960c9961322a966be1f98124bfba830f89a5dac96e855e2765f2",
    "signature": "0x6de5a9fbbee010180ed1709833a231be799ddf48612ac655198c993aa782ee9a086c89bd272485e2cb1b5fd2cf8bf6131e8c643292eaa28926196f7da4d0c09a1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}