{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "198969",
    "entityType": "User",
    "nonce": "0x92d7fe12564b7cdfa8db4c1879e5033cf5f3d778d4c9b55cca91d9df40329036",
    "signature": "0x46db63570b1273bc0590ccda10bd824b12e9e567339fd77a7c506b47dac91cef105e6569519acdfafd86786fb633846e11c8a5cdc63b99097c051b92812542d51c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}