{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109089",
    "entityType": "User",
    "nonce": "0x55a421b36bd3ae77895dd46ef9d857a9684157078c105f74e142edab42b4c1f2",
    "signature": "0x2ddfb8f128aa40d2b1790b2b6d6a5b18b187fc9f007cebc71c165e355dbde5e60c0eab42e07d9626c13d47bc570b3f7889b0e5491f93ba812ab2ae12d9663e241b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}