{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1696734",
    "entityType": "User",
    "nonce": "0x0922864d000c3e1b016fd3fea3817dd8d49936eeced29355511b925399c8b07f",
    "signature": "0x8205d013247ab1ec6fa3806f44ce6f787b13956f1441411b450e043ef3449f645d1a160bfec5ad0d1e4d3f15e0453ecaecb583eaba00c245714e0c182c19f0ad1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}