{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "139026",
    "entityType": "User",
    "nonce": "0x22c373cc30ab849cb401f76e4d5f3711dbefb8915aab1a53d59da87e44fa0321",
    "signature": "0x9f10ba6b0c5d8043a017de498b975bc5bb6efa79237ffa96cca78ee2a03ff620301c4123863f9b22db2e3930d2debcdc85f48073ec9b3387143def9f897d1b9e1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}