{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120375",
    "entityType": "User",
    "nonce": "0x7d73f112d6337019752cb17b3a21b5e7e1d33e8a59b9f88a99cd27879cb78302",
    "signature": "0x75d71f44acb63e05d44871815c143ba8c13d7609fa9094715262f9778581672926f0c2086f119f5cb1c9b7568130c37d0ad74290f2ea200030d48ec3ab48cb091b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}