{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106975",
    "entityType": "User",
    "nonce": "0xeac80a9373e1476fb1daaab41106ecf63ef5c6dc2f92696f502da2cde7b87fd9",
    "signature": "0x5425323accf7a20faffaec0d4e60ec37d181e56f27369c9b0b8e58e3b6c961f40169e64761627e75919d1452f02a2e2d62e1659e1e761c8d02a82e98506dc09e1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}