{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "963075181",
    "entityType": "User",
    "nonce": "0x9a64f027ff1d0e257c1dead858381e5b7019c464ac26af370aede6d5f9adf1e9",
    "signature": "0xe7e201eedcd7509b0751910ebceac68298ebfa344436e5ad8f2739f2262b255920778b57cf1ca8b62c8975db8372db6fbb8b55d08a40e09523c7b9c4e2bdfc471c",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}