{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "365316",
    "entityType": "User",
    "nonce": "0x503dbc914c30d76aef8d3428818b396e1042e812849209ecc08347a7f9e21f14",
    "signature": "0xdd321a42b476b154899da4fab0de6af1b5b8ad121b97103c221c1daa4fd430992a31f705f91d92aab888dbca29d9fd6d8a7ab29631e019f240d69d09fa5b290f1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}