{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1462163",
    "entityType": "User",
    "nonce": "0x57aec9ff7d0f99c09c37f21ca9024c53fc1361c952177e4c4ef11bd32841f606",
    "signature": "0x68fc44417b6b445237527db8895b23670f3aa16c446eb8ee3c4dcd02b9a62d5a1ba37d7ff37219017f3180eb9ee5ceb71fb58136539256c90718151b6093a7ae1b",
    "signer": "0xE1606Fda4793C81543febFfc652aC7aBB1a33faF",
    "userId": "457856694"
  }
}