{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6eba3e2afab883fdd7e3d4828e31d4c587098974d5e9e22b459a462a5e0d68f8",
    "signature": "0xb06bbd35ae8e73a218c40a79212c3a1ed24ed1b05e9c746ea656758e873dcfbe1a7f604d2fbf1f514ac32435fb9b8be9ae3834c9bb388e802d960718b2ff634d1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}