{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66005",
    "entityType": "User",
    "nonce": "0x90722e75bfd1f02cc08c98f3350f16959dd97572f902722b9c4f26ac3f695ec3",
    "signature": "0xaf835138ef78e9817d2838aba0973b5934a61f34343c3b40591acb1e31ae93c67509bbffa75d422cf3ccfc9fd737988e5118e9810a6accb68fe2cad3714825831c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}