{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1655515",
    "entityType": "User",
    "nonce": "0xc8c1546639bb1f52d9b1d5c7bea507c41e22140da95d3409b4fa14cbe0b749a0",
    "signature": "0x37b272c7cefe2f779f3d670c44d0e6e0b7504607268abacf29c9fde6012a0a42148db8f45d388cfa37f8f898cf8db6c3553209e493b9f0add12cf0a7de10055d1c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}