{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76829",
    "entityType": "User",
    "nonce": "0x83a895a9ae606583218260868ea8c1b1078aa883681e708371a01e714e291ac1",
    "signature": "0x29e9c80dc91301bbb4267d8cdda248fcabd9ef684c421d4230a789f398b954ab27015ece912ab1732bd422af92a993d58dfad8176587e3202c6d005e946c2f211c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}