{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16244",
    "entityType": "User",
    "nonce": "0x5aaae287fd0c8c66d2791e59f95429cc1030b412abd041ffe2b713bbcc128f93",
    "signature": "0xbb99824aaa6ff64c9fc46776307dc399ae118ab268a153c3da97b4413e50b1103e15d7936d2787e5214bdf5a82136dd179a5e4a7256ad780b6760d0ed3e113d11b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}