{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102022",
    "entityType": "User",
    "nonce": "0x4cb80fddfcb3763f7ad87e760f03e5bea79e75df8573e3143c4130521edd60ab",
    "signature": "0xb8d4e8bd380f1558a4e515a0ecff61adcdbdedc0a4c5499fa2f4ab111078c27f14cb931c54a039fbce4e9fbbd91e92cd88ffeb0e3a2165c6e997cf2f6a022eba1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}