{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1470701",
    "entityType": "User",
    "nonce": "0x7304572a26103e22ea6bc1f8cd2b9f27b40882ae71706b1e9c0e86fa92bed621",
    "signature": "0x4b95cf02aa72a099e2fad5ed832b97c579026ade805a1c80aa6e3cab0595a52c59b98103b1584dba6a55ada59a3032b50709077f3c89050f032c4b8df9c3ead31b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}