{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "386745392",
    "entityType": "User",
    "nonce": "0x3bc061b7077fc8a35c2897635000816190b4eacf3cbb21376f3b617b81ec3344",
    "signature": "0x1994c9659155210bb5efe2f029910b92aab567b0f8d678ff28c4ef4dcfeaf5df4961a5e2542b921e650058204319c6258480e49e14fd7931e4be35b9d099ca3b1b",
    "signer": "0xe70262fceA7ac15aEce742465EB134d0435Eb0d4",
    "userId": "926812517"
  }
}