{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28838",
    "entityType": "User",
    "nonce": "0xd1ea9c521452919efd9bb6e7a61940cc236ae5e83f56b347e152afe97154fbfa",
    "signature": "0xbc389735210440004169c98a79f9ec2440b1e09bc484b49a59e696a3647e27a727cc561fe02fb420d9743814d54215003075b42ba23366a29eb373d6bd7e088b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}