{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "142655",
    "entityType": "User",
    "nonce": "0xd50dfaea2f8310ed5d92a62e2906600917fbfc9aca66d12dfb1b277adcc3d34d",
    "signature": "0x9497d5493445e2cdccdd24de0f35fdc0b493e8c4e47327014a5d2179492cbe52123cce7caebf795b0d8681c98aa921760ffb715e2462a9978a6d407f145578911c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}