{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "949537054",
    "entityType": "User",
    "nonce": "0xaa6006e12c4d5396a27801092b9da399bd0361433a86283274af33ed62f1e270",
    "signature": "0xa874683a97a87634d6e7eec8109823e8000351410825879605e73910fae7c0bf741dca62d1a03700670eea1e023bd63702c0e4eca014b4c0a67f7835a921aa7c1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}