{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "786939",
    "entityType": "User",
    "nonce": "0xd0003ab1f53031618df8202a466c815d50333e1c33700680171ab5cc220f7e77",
    "signature": "0xef98e4f528ffd17a1f32f49ff0c16a712ab7a91d94c10a78f12064a0bc6406d038645ce2448b14ebaa0394cabfb6c7e0b4493adbb3775a593143d3e62cc771961b",
    "signer": "0x6d6397f74d01E51Fc0C654f5703B972e7CF26876",
    "userId": "237542932"
  }
}