{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48520",
    "entityType": "User",
    "nonce": "0xb20c30dd7e019b62237c672244fdb4d7a9c08577ced8091448cbfe3d2511170d",
    "signature": "0x17a295906e16613908d17dfbc149bf22358aec68fa029d74ee58638cde69aa4421cbdd5f38bb6e48babd7e00cb1e00871ac3f552a4cd7ebc1f3e5bede4a34f651b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}