{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "130524348",
    "entityType": "User",
    "nonce": "0x76c1202d544c7b787092fe83405ea8a5e2bd3cef629b738798adb174a06c110a",
    "signature": "0x50fd59af5b8b3c6e900200d79da6e1ff535a5d8949ecc26de2c07d18309f93185bd9f3cdef37ac1ce29d4022f286c44fd283b48cca2ef35885673aa1b79df2db1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}