{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "858059039",
    "entityType": "User",
    "nonce": "0xad7929e13cc1fed2d8e2398c7aca188cec5c4f5c725ffae71289c53a142a4e0f",
    "signature": "0x1d2b3686b64ea097e051090a748ba4913f3a25fb88ddda85628157281d55c9fa10623eefbd420d9bd9a93506d4279af3781abb967483aab96c0547a8b44622a61b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}