{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "862512182",
    "entityType": "User",
    "nonce": "0xecec673876de8ffd5981bec9f732478509aa3bfe870d921a5fa88bf6566ffd72",
    "signature": "0x0abf39d94bbc64fbf1800c5f17d436424d3b6befa3e925761703d4594937f88c3f1e5ed2b2731c7e91e98b522fd4f4bfe73db65b4a8453223d27f1888b79373b1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}