{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf537c4d62b2f086cc1b0a137a5b011d3138fb5077a5655e570202d93a944dfee",
    "signature": "0xac26a89e529f243cb184b0ea84ba817b4fff4c07d8babd6288d02aeca5694c6052713dad7587689ff2752e4cbd0f888583c38225743a08892884ceab556048a01b",
    "signer": "0xF725d6Fd7C591fe173E19c2a1084c8aA5a41FC0D",
    "userId": "177547981"
  }
}