{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "875378857",
    "entityType": "User",
    "nonce": "0xbd1e934efb57858d27bfbef988318fc6445dab9ef6975c7578a35a1caba27165",
    "signature": "0x0f6b98a23f8ead83a37a770c6201a58a1bb6b5f048455cf9d50d35a45414366e3ed00f23543a16b5865adb5b135f3c7e03343dd6fd22a59559b2ef74d591a0871c",
    "signer": "0x41169dA28a7d95b19615713245D5f46546c83008",
    "userId": "931487252"
  }
}