{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136105",
    "entityType": "User",
    "nonce": "0x78f2ca04a1a44121f3c43ce6e065699c422aa51b281265cb711e565bd8e83dc5",
    "signature": "0xb94ac2debcd857ef236d8018f080e9b8c045ae73a78b39bd669c9332c34a42ce6d465e5d5e09a4cddaec6811eb4a8789fda7793c49187cdf8b067eb1e6c0e2d11c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}