{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56394",
    "entityType": "User",
    "nonce": "0xb5930f7641c1e003781bcc0cb08b12400b8fb15ce6ea7750db20bb37179e32ff",
    "signature": "0x132021e7bc8f05f03e284fcc177c485a105e33df4e8b3e1b63f778a6b8e0c78242b7ff0745be8022103b11b739a961206b5b6e3bc520ef20108c407ca13a62661b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}