{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76808",
    "entityType": "User",
    "nonce": "0xfdea5d3a5d522654c3f3a3e6cf0a3f018b5d8091bdee9cbf8f14dcc859ac0564",
    "signature": "0x1d5f218a9c507cd10f3590d4cb06d58100c251e824189fc89d507f5d4447632f4f7e957c446a2fd69359e8da241855247bbb808608a25f7f51a6094f217a50781c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}