{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x942acc647cc2a09f6a368c93af441f26664f3397ab3bb4066406761df8c90e18",
    "signature": "0x4441709532e4176ab7ad5c48daa80df3d92c6b432e7c140e9a74946efe92fd69282c833eef038833f02d0f6d4f0a0fdb2afb2769af9c0762cee7ea7d58bf52e11b",
    "signer": "0x54b1694AeDb06F735849D2943798E7297907c7C3",
    "userId": "791500663"
  }
}