{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1320833",
    "entityType": "User",
    "nonce": "0xe3c951888b6a149db6fe5a97c849c5ee3f67c985be204723a7786d9f052bd6cf",
    "signature": "0x124713a5368b22439bd1b1cab906b77b53e9d602abade81be9c834b343f5313118f11de02aabc02669ae48efa4893c7b815e38a1a9b20583b2c9535067ef68c91b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}