{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x258d40dac7e3c865ebae3f75053a5cf414e31ecf669d3bc26a592d70d11e1647",
    "signature": "0x46359a2cb1d6e5b3c6dd750b5e6d7c476d4bbf02fab9187e48d2d6417c8ca9134ddb2469705f3dfe8192c26881c57206eb982d288952fb30d655ddc464c1f6101b",
    "signer": "0x8db2094fa45eBf7ed9Eddf1777cF9302f0049C84",
    "userId": "792820516"
  }
}