{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x24a6ff673d2b2293b763866cf2c352b42735cc089544e01fdf1f073cd5dcd087",
    "signature": "0xdb397b76448a3a998f50efd98c361f370b313a9fd1011e4a25b1ef20408457f20b122fb7fb61de948da0b2ff7674bc3dd39dee475c749c0f888d279f89332cf31b",
    "signer": "0xEEeA1b981331a4d6346bf1a1f9e7557FC1c6cd05",
    "userId": "424296443"
  }
}