{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "871324932",
    "entityType": "User",
    "nonce": "0x147086d12f86733c1dfe7b1da24144da802555943bf05b87396319bd72836cf3",
    "signature": "0xe9de4f8c102060975ad355573e92587064031d8ea7fcdbbecc850c9d8b57bac919761c870966ed56017607fa9c799ac8e3a44371f8baadabdf764131c57eb0da1c",
    "signer": "0xaC5cce7598F0Eb17aaE90fc5c8221B0312d77aFb",
    "userId": "329521655"
  }
}