{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "156946",
    "entityType": "User",
    "nonce": "0x66ca0be110678a851e8d7fda8b3db6df90fe55637e811c347ecfbbb2596fa3f9",
    "signature": "0x615c5e84ad68bd980e3d73913e3fab8c92d158bf7082c9cfb4a7f97c8526759b1005f8e8db3e38e22c0c2f8f09ab52144dd806cc02cc18f803720a4db25a5c671b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}