{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1315923",
    "entityType": "User",
    "nonce": "0x5904d471f4b15b8989b139fe21ebc659fc776f3b4fe0d47e60e3541c4c96df05",
    "signature": "0xfd257c0ea59b0580c444cf23599aa8cf4532b41b5993853d96ff14043d4f823957309e3eeb8aeae39827e481280013e5b0e6fd042e20a597e427197c62e5e40f1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}