{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "894582993",
    "entityType": "User",
    "nonce": "0x21661f44c220b038b9d75da1dbf275e57c9dd6108ce53362168f2e56ff10a5f7",
    "signature": "0x8a0090c278dfa5858667242258fe1213712de7b0f4f2c62d03989d43d96b60b16390a9285bed296d7dd3156b9897ac2dceffb5266319512253f62163447f9a651b",
    "signer": "0x1D0c500EC847246923045cB0a285242A93723f30",
    "userId": "302385956"
  }
}