{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "207",
    "entityType": "User",
    "nonce": "0x3b3ce95306c1ecd15753fe6952004edc7ea548e99429c0461ea7a68564e035c6",
    "signature": "0x00e37dc47c1430506c87d263611616134e9cad8b91b85d3e5c3b9c16e6c753044518111e86046b815ce10b99b43a3300fa03db69bda20dda10c8d96f9a70680d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}