{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x23930392bb86539e391963d5dc3f83c40a99875630df630a3d3ed14c29411024",
    "signature": "0xab2293dd2002cf277e1ad4a7405f6e861a4aedfa171f840eeda1e85b9c881e9c377e513fe7507db3908deb61880b3d03cdb3d396ef99929eaa7cd12d37d0239b1c",
    "signer": "0xb7064d95A38c94e9883e3D32d96E879E8fd4272e",
    "userId": "151924512"
  }
}