{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981716494",
    "entityType": "User",
    "nonce": "0xa156d977ead934776dc2f5aa7b67e7174ecd379c6b5294e09b0db7d9e2682b57",
    "signature": "0xc9a31f56edd5c7f0f18e5dc4dbc34d4f8ab97c94918c3e8e80bbb474b628e1967e976fe4c9a5507a5e3aacd95ccade727f85a523cf7d11003223376c0bfed7ff1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}