{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x998456c2f35a011fcd133b9517b06bcf0626af634a12a12377df0ea8727f3a68",
    "signature": "0x4e48dc60282e73d06b4ab31507c4d80a4e6ba6fd816b56dd38d5e753c14950c10f80b46098c8fbddeb9caeb9ddab6055b48253d91df7ef0897217824a37764981c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}