{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "592353919",
    "entityType": "User",
    "nonce": "0x63d2c965828fd32c3d91bdb05f6cc2d70ce24dbad3f9180baee2f3156e7a3b32",
    "signature": "0x283c8162c4e18fa51f517436a459594bf79956b3a1b1fb072b922a48261df2e13b512eebd22e2f242fc1dee2954cfa5fbda7ce337081f8836c7b9b525c371de91b",
    "signer": "0x1Ef5331d98352E3A7eb4f177ae6BbD27cA99eD1B",
    "userId": "771602835"
  }
}