{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "206440",
    "entityType": "User",
    "nonce": "0xce72a2a079bcb7dfea8abfa508b8235ffe596af1bc9b1690c5c535ccd8409b4c",
    "signature": "0xd15dc8e87163fea0b5c34220aba45b0e463ed329bbe77d09e9926cdece649ff05cca06a165296dfefb1ff8125ff89b37015733652c5140558e917f946eaaf7751b",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}