{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107718",
    "entityType": "User",
    "nonce": "0x0efd68eae7c820afcb3726f2146fa04a0d1c5c425c2e3395832990b0b5358f2c",
    "signature": "0xe844ba26488b8337d72153b264aae66c811b624c3593b7b1174d2334b1ff0e350271483c308cb73d407a024d0c5a9399262922fdfd1ae1939f5bfe9640fc3d271b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}