{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "995293503",
    "entityType": "User",
    "nonce": "0xf41b7648cba988602ee40595a4b8e2893d9b6fe0d6e464841238017f24cdbaa1",
    "signature": "0xc4ff8674ece5b9ff50b2ee9959cbdfba69235a2ed145e82eeb9795d739bd526475bec602586ef1d0ef1db1a02ebd5439565701347a41d5d1699bf7426a8418761b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}