{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51978829",
    "entityType": "User",
    "nonce": "0x055b14dc049b61c401ebb33426bb7dc29ee98068940ad7b23e8ba07dd278ae90",
    "signature": "0x36e03a6e6a5ae01240cce2e8beaa02f21f8418ebf57b0eea8e36765336c16b6b1b8041939565f57eb75c7c47ccbdeef5df12fd716c04735b17557e044dd98af91c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}