{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159823",
    "entityType": "User",
    "nonce": "0xfd39456683862142660e3692d49a3eb7f05b873f837f33448d5f6f2d666124ea",
    "signature": "0x29e48fdda698c5a248d2375db2453f54d8f3f290829d8c02818cc926755e78581a48c60f1b248fac6818451dc75d158c18fc88c9ae8c0d3bb1386cd5e02efec41b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}