{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54873",
    "entityType": "User",
    "nonce": "0x59aa7c106b81581ed00ba031adc9ec7d0409184923c16c18d2f15dfe8133c8a2",
    "signature": "0xc17ff8396ba2aad46831de93b1f1d17a0add7e3e2d7d4c14b0d66393c5ce393a2af80d4c0728d534d36d210176e6ac1b8212476070add27ec9980b49edc779b71c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}