{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "347775",
    "entityType": "User",
    "nonce": "0xafbfc2073ad3faf3450920f97dd60f896b4c02d0f2e1d7fb400ce186512b4f09",
    "signature": "0xdcae946bdc1bdded8b96bb25145969fc02d940fd67b5f0e9da50f715a217e7fb289e1288120613bf376c2c2119e848d93ec8545f712605df4a2064bd2b85a0271b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}