{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159054652",
    "entityType": "User",
    "nonce": "0x7e98b8cb1922ba94682bc57e16b5b2451038f86ee4b2c0092ec45070ce3b386d",
    "signature": "0x0ffa958eb726121d0235e24ee1cf857284ab66c0afd33277ebb243883ad484996b046b6fc92c44c4fcb99fa33bc3c7d2a8a831152348e9ff29acff02d10aa3d01b",
    "signer": "0x66E555cF19b0983eC9B85333Fab286fF7Ac0e76E",
    "userId": "656492969"
  }
}